Final Trick (1958)

Arjun is an assassin who operates internationally and works for India-based Victor Chaku. He is in love with Manasi, who wants him to quit, and he accordingly approaches Victor with this request.Victor is willing to conditionally let him quit, and even pay for his marriage, provided he carries out one last assignment which is to kill police commissioner.The quest is that how he is able to carry his last assignment.